OpenSprinkler vs TM+ Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenSprinkler
Control your OpenSprinkler irrigation system remotely. Monitor device status, modify watering schedules, and launch programs instantly. Features manual testing, multi-device support, and weather integration.
- Device status monitoring
- Program modification
- Instant program launch
- Manual testing mode
- Multi-device support
- Weather and forecast integration
- Log data visualization
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The application allows you to automatically detect and control your OpenSprinkler irrigation system(s). OpenSprinkler is an open-source Internet web-based sprinkler timer / controller built upon the Arduino platform. Features of the app include: * Easy to understand device status * Quick program modification * Launch ad-hoc or defined programs instantly * Manual mode for convenient testing * Multi-device support * View visual representation of upcoming scheduled programs * View graphical and tabulated representation of log data * View current weather and forecast status for the device location * Change and disable rain delay * Multiple supported languages (Afrikaans, Amharic, Chinese, Czech, Dutch, French, German, Hebrew, Hungarian, Italian, Mongolian, Norwegian, Polish, Portuguese, Slovak, Slovenian, Spanish and more) This application requires you to own an OpenSprinkler that is properly connected to your network. For more information please visit https://opensprinkler.com. You can control your device from outside the local network with proper port forwarding and use of the WAN IP within the application or by using a VPN. For further assistance please visit the forums: https://forums.opensprinkler.com This is open source software: source code for this application can be found at https://github.com/OpenSprinkler/OpenSprinkler-App
TM+ Pro
Remotely monitor and control horticulture automation systems for your growth facilities. Features a new UI, historical charts, customizable device displays, and a logbook for tracking plant data. Connect with a community of growers and access support resources.
- Remote access to control systems
- Historical data charting
- Customizable device naming and photos
- Plant growth logbook
- Grower community and forum
- Controller sharing with authorization
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TM+ Pro offers you remote access and control of the TrolMaster control systems: Green-X,Tent-X,Hydro-X,Hydro-X Pro,Hydro-X Plus, Aqua-X,Aqua-X Pro,Aqua-X Plus, Carbon-X and Hawkeye. The controllers and control systems provide the ultimate solution for horticulture automation, enabling you to monitor and control every aspect of your growth facilities anywhere, anytime. This new and advanced version is a major upgrade and improvement featuring: New UI: Clear and friendly user experience. Historical Chart: All historical data will be presented in one graph, making it easier to compare the data collected. New devices display customization: You can individually rename and add photos on all devices in the App for better management. New Logbook function: Allows you to track your plant stages, time and date. Log the plant data such as Environment and feeding parameters; plant information and room setup details. New Community page: Follow your favorite growers. Share your logbook and view other grower’s logbooks, a more user-friendly Forum. New Support page: Featuring “Product Learning” “Help” page with FAQ and Q&A. Forum: You can also share, like, comment, and post questions or any thoughts in Community, a place where growers can share ideas and grow together. Sharing controller: Owner can share his controllers with other user accounts. Giving the ability to authorize multiple accounts to access the same controller.
Screenshots
Verdict
The clearest difference is rating: OpenSprinkler at 3.9 against TM+ Pro's 3.1. OpenSprinkler also leads on review sentiment (63% vs 32%). TM+ Pro's advantage is ratings volume (97 vs 29) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OpenSprinkler holds the better App Store score, 3.9 against 3.1. Both are backed by a comparable volume of ratings — 29 and 97 respectively. Written reviews point the same way: 63% of OpenSprinkler's written reviews are positive against 32% of TM+ Pro's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.
| Parameter | OpenSprinkler | TM+ Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (29 ratings) — better | 3.1 (97 ratings) |
| Positive reviews | 63.0% of reviews — better | 32.4% of reviews |
| Number of ratings | 29 | 97 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 122 MB |
| Age rating | 4+ | 17+ |
| Developer | OpenThings | TrolMaster Agro Instruments Co., Limited |
Customer experience
OpenSprinkler
TM+ Pro
In-app purchases
OpenSprinkler
No in-app purchases
TM+ Pro
No in-app purchases








